Caution needed with energy drinks

Answer: For adults consuming less than one to two standard cans a day there is no health risk, but combining energy drinks with other stimulants may cause ill-effects. For children and young people, more caution is warranted. 

Energy drink marketing is targeted at youth with claims of improved performance. This may lead to excessive consumption. 1,2 The high caffeine content in energy drinks is a particular concern for young people who may not have the tolerance for consuming caffeine in high amounts. 1 Adolescents